Home / 4,292.46-6,438.83-1,372.95

Finding the Fourth Proportional to 4,292.46, 6,438.83 and 1,372.95

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Solution

The fourth proportional to 4,292.46, 6,438.83 and 1,372.95 is: 2,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.46 : 6,438.83 = 1,372.95 : x
  2. Step 2: Convert to fraction form
    4,292.46/6,438.83 = 1,372.95/x
  3. Step 3: Cross multiply
    4,292.46x = 6,438.83 × 1,372.95
  4. Step 4: Simplify right side
    4,292.46x = 8,840,184.78
  5. Step 5: Solve for x
    x = 8,840,184.78/4,292.46
  6. Step 6: Final answer
    x = 2,059.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.